You can use a project chart, or Gantt chart, like this to organize the timing and duration of tasks involved in a prototype vehicle project.
Text in this example:
Planning/Organizing
Research
Brainstorming
2nd Semester Planning
Test Fixture Testing
Final Vehicle Construction
Presentation 1
Competition
Presentation 2
Final Report
Task
Assigned To
Start
End
Dur
Prototype Vehicle
Unassigned